Terms of the agreement were not disclosed.
Radvision said it will offer a combination of hardware and software products, which will be integrated with Microsoft Lync, the latter's instant messaging product, which was previously known as Microsoft Office Communicator.
Shares of the Tel Aviv, Israel-based company were up nearly 8 percent at $7.00 in early-morning trade Monday on Nasdaq. They touched a high of $7.05 earlier in the session.
The stock has lost 7 percent of its value since the company reported second-quarter results early August." (source)